WordPress FirePHP Debugger is a WordPress (mu-)plugin used to improve quality and comfort of development under WordPress. This plugin can replace a banch of plugins for wordpress developers and increase speed and efficiency of development process.

Debugging WordPress plugins and themes can be a real pain. Having tools for debugging is very helpful and even necessary. No more vardump() and echo while debugging. No more routine logs parsing. WordPress FirePHP Debugger take care of it, clean and easy.
Typically, there are two main ways of debugging server-side code: you can utilize an Integrated Development Environment (IDE) with a built-in debugger or log and perform your debugging processes in a web browser. This plugin shares an elegant, simple, and more maintainable way of debugging wordpress via the web browser (more specifically for the Mozilla Firefox browser).